Project 6 - File System
Project 6 - File System
Project 6 - File System
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<strong>Project</strong> 6<br />
Concurrent Access<br />
Deletion<br />
UNIX semantics ‡ .<br />
<strong>File</strong> is immediately unopenable (e.g. removed from<br />
directory structures).<br />
Blocks are not placed onto the free list immediately.<br />
Applications using the file are unaffected.<br />
Actually delete when the last application closes the file.<br />
Recycling blocks requires reference counting.<br />
Changes made after deletion are lost.<br />
Windows semantics<br />
If the file is being read or written, the deletion fails.<br />
‡ We will be looking at this when grading
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